题目内容
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[单选题]
We must make some investigations___we can draw any conclusion.
A.since
B.before
C.until
D.when
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题目内容
（请给出正确答案）
如果结果不匹配，请 联系老师 获取答案
题目内容
（请给出正确答案）
A.since
B.before
C.until
D.when
如果结果不匹配，请 联系老师 获取答案
更多“We must make some investigatio…”相关的问题
()We have no time to waste and must make sure that nothing about the project fall schedule.
A. back
B. Rover
C. down
D. behind
It’s time we ____some measures to solve this problem.
A、must take
B、will take
C、took
D、have taken
A.after all
B.above all
C.in all
D.at all
A: I've come about your offer for bristles.
B: We have the offer ready for you． Let me see..． Here it is． 100 cases of Tsingtao Bristles, 57mm, at..． pounds sterling per kilogram, CIF European Main Ports, for shipment in June, 2009． The offer is valid for three days.
A: Why, your price has soared．It's almost 25 % higher than last year's． It would be impossible for us to push any sales at such a price.
B: I'm a little surprised to hear you say that． You know very well that market for bristles has gone up a great deal in recent months． The price we offer compares favourably with quotations you can get elsewhere.
A: I'm afraid I can't agree with you there． I must point out that your price is higher than some of the quotations we have received from other sources.
B: But you must take the quality into consideration． Everyone in the trade knows that China's bristles are of superior quality to those from other countries.
A: I agree that yours are of better quality． But there's competition from synthetic products, too． You can't ignore that prices for synthetic bristles haven't changed much over the years.
B: There's practically no substitute for bristles for certain uses． That's why demand for natural bristles keeps rising in spite of cheaper synthetic ones． To be frank with you, if it were not for the long-standing relationship between us, we would hardly be willing to make you a firm offer at this price.
A: Well, we'll have a lot of difficulties in persuading our clients to buy at this price． But I'll have to try, I suppose.
To show the potency of eye contact in daily life, we have only to consider how passersby behave when their glances happen to meet on the street. At one extreme are those people who feel obliged to smile when they make eye contact. At the other extreme are those who feel awkward and immediately look away. To make eye contact, it seems, is to make a certain link with someone.
Eye contact with an audience also lets a speaker know and monitor the listeners. It is, in fact, essential for analyzing an audience during a speech. Visual cues (暗示) from audience members can indicate that a speech is dragging, that the speaker is dwelling on a particular point for too long, or that a particular point requires further explanation. As we have pointed out, visual feedback from listeners should play an important role in shaping a speech as it is delivered.
This passage is mainly concerned with ______.
A．the importance of eye contact
B．the potency of nonverbal techniques
C．successful speech delivery
D．an effective way to gain visual feedbacks
________, we’d better make some changes in the plan.
A. That is the case
B. That having been the case
C. That to be the case
D. That being the case
